Should we solve the quadratic equation 2x^2+3x-9=0 by factoring or just use the quadratic formula? This algebra tutorial will go over an example that will help you in your algebra or precalculus class. Subscribe to @bprpmathbasics for more math tutorials. Here's proof of the quadratic formula: 👉 Shop my math t-shirts & hoodies on Amazon: 👉 #math #quadraticequation #mathbasics